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● In order to avoid any smells, there should
be sufficient space between the outside air
inlet for the ventilation unit and the
sewerage vent on the roof.
● Avoid the outgoing air and outside air
mixing.
● Select the position for the supply air valve
so that contamination and draughts are
avoided.
Dirt build-up on unit compo-
NOTICE
nents during building work.
Only commission the unit
once all building work has
been completed.
Installation
When delivered, the ventilation unit is assem-
bled and ready for service. The ventilation
unit stands on 4 feet. The ¾" condensation
run-off connections are located on the
righthand side of the housing.
Place the ventilation unit at the installation
site.
Line up the ventilation unit horizontally.
9.3 Sound insulation
Sound emissions from the ventilation system
are dependent on many factors, e.g. the
construction of the building, ventilation
components, etc.
For this reason, install the ventilation
system as per the planning and/or
manufacturer specifications.
The system must be adjusted
NOTICE
following installation. This
work has to be logged in
writing.
Noise emissions from the ventilation unit
It is not recommended to install the ventila-
tion unit in the living area, kitchen or bath-
room as the noise emissions exceed
35 dB (A).
Recommendation: Install the ventilation unit
in a room that has a sufficient level of sound
insulation from the remaining living area.
Designing the air channels
Observe the prescribed sound
NOTICE
pressure level of < 25 dB (A)
in living areas and < 30 dB (A)
in functional areas. Silencers
must be installed in the
ventilation channels.
Recommendation: Install telephony sound
absorbers to reduce the sound transfer
between the individual rooms.
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